in a cylinder, Radius is halved and h is doubled, find it's volume
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Answer:Let the radius and height of the cylinder be 14 cm and 20 cm respectively. Therefore, the original volume will be as follows. Therefore, in a cylinder, if the radius is halved and the height is doubled, then the volume will be halved.
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22/7 × r^2/2× 2h
write 22/7 as pi
1/2(22/7×r^2×h)
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